The next step will be downloading JB4 Mobile installer file, also known as an APK, which is the way Android apps are distributed and installed. On devices running an earlier version of Android, go to Settings, open the Applications option, select Unknown sources, and click OK on the popup alert. This can be enabled by selecting the Verify apps option in the Security settings. Depending on your device, you can also choose to be warned before installing harmful apps. Selecting this option will allow you to install apps outside of the Google Play store. Here's how you can do it.įrom your smartphone or tablet running Android 4.0 or higher, go to Settings, scroll down to Security, and select Unknown sources. Here's how to do it: How to install JB4 Mobile on Android devicesĪndroid devices have the ability to 'sideload' applications. You can also install and run this application on your computer by using an Android emulator app. JB4 Mobile works on any Android devices (requires Android 2.3 or later).